20809428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 31263852

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 83, 102, 166, 204, 249, 332, 498, 996, 1229, 1411, 2458, 2822, 3687, 4233, 4916, 5644, 7374, 8466, 14748, 16932, 20893, 41786, 62679, 83572, 102007, 125358, 204014, 250716, 306021, 408028, 612042, 1224084, 1734119, 3468238, 5202357, 6936476, 10404714, 20809428]

約数ペア:

[(1, 20809428), (2, 10404714), (3, 6936476), (4, 5202357), (6, 3468238), (12, 1734119), (17, 1224084), (34, 612042), (51, 408028), (68, 306021), (83, 250716), (102, 204014), (166, 125358), (204, 102007), (249, 83572), (332, 62679), (498, 41786), (996, 20893), (1229, 16932), (1411, 14748), (2458, 8466), (2822, 7374), (3687, 5644), (4233, 4916)]